KB Home Protects Margins as Lennar Uses Incentives to Defend Sales

KB Home delivered 74% of homes through built-to-order in the third quarter, slowing backlog conversion while limiting speculative inventory. Lennar's latest quarter shows the opposite lever: incentives around 12% to keep buyers moving.

KB Home's third-quarter results show a homebuilder choosing inventory control over sales velocity as mortgage rates return to roughly 7%.

The company reported $1.30 billion of revenue and diluted earnings of $1.05 a share on September 22. It narrowed full-year housing-revenue guidance to $4.9 billion to $5.1 billion and expects housing gross margin of 16.0% to 16.2%.

The operating change sits in the order book. Built-to-order homes accounted for 74% of third-quarter deliveries, up from 60% in the second quarter. That reduces the number of completed speculative homes KB risks having to discount if demand weakens further.

It also slows cash conversion. KB delivered 2,732 homes, while backlog conversion fell to 60% from 71% a year earlier. Net orders declined 12% to 2,604 and cancellations rose to 18% of gross orders from 17%. Yet ending backlog increased 2% to 4,398 homes and its value rose 3% to $2.05 billion, the first year-over-year backlog growth in four years.

The peer contrast makes the strategy visible

Lennar's September quarter offers a useful counterpoint. It has been more willing to use price and financing incentives to preserve sales pace, with incentives running at roughly 12% of home sales revenue in its latest quarter. Lennar's gross margin came under pressure as it prioritised affordability and volume.

KB is moving in the other direction. More communities did not rescue order growth: its average community count rose 8%, while monthly orders per community fell to 3.1 from 3.8. Rather than force absorption with more speculative inventory, management is matching construction more closely to signed buyers.

Built-to-order protects inventory and margin discipline; it cannot repair affordability. Freddie Mac's average 30-year mortgage rate reached 6.95% in mid-September, the highest in more than a year. If rates stay near 7%, KB may still need incentives or lower prices to keep orders moving.

The strategy does change where the risk sits. A volume-first builder accepts more price pressure to maintain throughput. KB is accepting slower conversion and lower near-term velocity to reduce the chance that unsold finished homes accumulate on the balance sheet.

KB and Lennar are paying for weak demand in different currencies. Lennar is spending more through incentives to preserve volume; KB is accepting slower backlog conversion to limit speculative inventory. With mortgages near 7%, gross margin and cash conversion will show which trade is cheaper.

Editorial source record

• KB Home, third-quarter 2026 results, 22 September 2026.
• Lennar, third-quarter 2026 results, 16 September 2026.
• Freddie Mac, Primary Mortgage Market Survey, 17 September 2026.